Home / 21,153,118.23-31,732,501.92-8,370,633.57

Finding the Fourth Proportional to 21,153,118.23, 31,732,501.92 and 8,370,633.57

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Solution

The fourth proportional to 21,153,118.23, 31,732,501.92 and 8,370,633.57 is: 12,557,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,118.23 : 31,732,501.92 = 8,370,633.57 : x
  2. Step 2: Convert to fraction form
    21,153,118.23/31,732,501.92 = 8,370,633.57/x
  3. Step 3: Cross multiply
    21,153,118.23x = 31,732,501.92 × 8,370,633.57
  4. Step 4: Simplify right side
    21,153,118.23x = 265,621,145,831,641.47
  5. Step 5: Solve for x
    x = 265,621,145,831,641.47/21,153,118.23
  6. Step 6: Final answer
    x = 12,557,068.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.